stem cells

Mini-brains grown from stem cells show ‘complex' neural activity

Floating disembodied conscious brains that issue commands to luckless human minions may be a cliché of science fiction, but they are a far cry from the primitive, lab-grown "cerebral organoids" that real scientists study today. New research suggests that contemporary mini-brains -- even if inferior to their fictional counterparts -- are still capable of a surprise or two.

Infections from unapproved stem cell products hospitalize 12

Twelve people in three states developed infections and were hospitalized after they got infusions or injections of stem cell products derived from umbilical cord blood that were contaminated with bacteria, according to a report published Thursday by the US Centers for Disease Control and Prevention.